| 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef SKSL_IRNODE |
| 9 | #define SKSL_IRNODE |
| 10 | |
| 11 | #include "src/sksl/SkSLLexer.h" |
| 12 | #include "src/sksl/SkSLString.h" |
| 13 | |
| 14 | namespace SkSL { |
| 15 | |
| 16 | /** |
| 17 | * Represents a node in the intermediate representation (IR) tree. The IR is a fully-resolved |
| 18 | * version of the program (all types determined, everything validated), ready for code generation. |
| 19 | */ |
| 20 | struct IRNode { |
| 21 | IRNode(int offset) |
| 22 | : fOffset(offset) {} |
| 23 | |
| 24 | virtual ~IRNode() {} |
| 25 | |
| 26 | #ifdef SK_DEBUG |
| 27 | virtual String description() const = 0; |
| 28 | #endif |
| 29 | |
| 30 | // character offset of this element within the program being compiled, for error reporting |
| 31 | // purposes |
| 32 | int fOffset; |
| 33 | }; |
| 34 | |
| 35 | } // namespace |
| 36 | |
| 37 | #endif |
| 38 | |